4320126928 has 80 divisors (see below), whose sum is σ = 9203317200. Its totient is φ = 1952501760.

The previous prime is 4320126893. The next prime is 4320126949. The reversal of 4320126928 is 8296210234.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2585664 + 4317541264 = 1608^2 + 65708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016738 + ... + 2018878.

It is an arithmetic number, because the mean of its divisors is an integer number (115041465).

Almost surely, 2^4320126928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4320126928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4601658600).

4320126928 is an abundant number, since it is smaller than the sum of its proper divisors (4883190272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4320126928 is a wasteful number, since it uses less digits than its factorization.

4320126928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4320126928 is about 65727.6724675384. The cubic root of 4320126928 is about 1628.6665205229. Note that the first 3 decimals are identical.

The spelling of 4320126928 in words is "four billion, three hundred twenty million, one hundred twenty-six thousand, nine hundred twenty-eight".